static inline void disable_bridge_irq(struct irq_data *d)
{
cpuid_t cpu;
int swlevel;
swlevel = find_level(&cpu, d->irq); /* Criminal offence */
intr_disconnect_level(cpu, swlevel);
}
/*
* Disassociate handler with the specified interrupt.
*/
void
hub_intr_disconnect(hub_intr_t intr_hdl)
{
/*REFERENCED*/
int rv;
cpuid_t cpu = intr_hdl->i_cpuid;
int bit = intr_hdl->i_bit;
xtalk_intr_setfunc_t setfunc;
setfunc = intr_hdl->i_xtalk_info.xi_setfunc;
/* TBD: send disconnected interrupts somewhere harmless */
if (setfunc) (*setfunc)((xtalk_intr_t)intr_hdl);
rv = intr_disconnect_level(cpu, bit);
ASSERT(rv == 0);
intr_hdl->i_flags &= ~HUB_INTR_IS_CONNECTED;
}
/* Shutdown one of the (PCI ...) IRQs routes over a bridge. */
static void shutdown_bridge_irq(struct irq_data *d)
{
struct bridge_controller *bc = IRQ_TO_BRIDGE(d->irq);
bridge_t *bridge = bc->base;
int pin, swlevel;
cpuid_t cpu;
pr_debug("bridge_shutdown: irq 0x%x\n", d->irq);
pin = SLOT_FROM_PCI_IRQ(d->irq);
/*
* map irq to a swlevel greater than 6 since the first 6 bits
* of INT_PEND0 are taken
*/
swlevel = find_level(&cpu, d->irq);
intr_disconnect_level(cpu, swlevel);
bridge->b_int_enable &= ~(1 << pin);
bridge->b_wid_tflush;
}
